Java is a high-level programming language that was developed by Sun Microsystems (now owned by Oracle) in the mid-1990s. It is an object-oriented language, meaning it is based on the concept of "objects," which can contain data and code that manipulates that data. Java is designed to be portable, which means that code written in Java can run on any device that has a Java Virtual Machine (JVM) installed, without modification. This is achieved through the use of bytecode, which is code that is compiled to run on the JVM, rather than directly on the hardware.
Java is widely used for building large-scale, complex software applications, particularly in the enterprise sector. It is also used for developing Android mobile apps, as well as web, desktop, and scientific applications. Java is known for its robustness, security, and versatility, making it a popular choice for many developers.
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